Home / 681,798.25-1,022,845-261,074.13

Finding the Fourth Proportional to 681,798.25, 1,022,845 and 261,074.13

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Solution

The fourth proportional to 681,798.25, 1,022,845 and 261,074.13 is: 391,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,798.25 : 1,022,845 = 261,074.13 : x
  2. Step 2: Convert to fraction form
    681,798.25/1,022,845 = 261,074.13/x
  3. Step 3: Cross multiply
    681,798.25x = 1,022,845 × 261,074.13
  4. Step 4: Simplify right side
    681,798.25x = 267,038,368,499.85
  5. Step 5: Solve for x
    x = 267,038,368,499.85/681,798.25
  6. Step 6: Final answer
    x = 391,667.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.